package com.zhou.gulimall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.zhou.common.to.es.SkuEsModel;
import com.zhou.gulimall.search.constant.EsConstant;
import com.zhou.gulimall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

import static com.zhou.gulimall.search.config.GulimallESConfig.COMMON_OPTIONS;


@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    RestHighLevelClient restHighLevelClient;
    @Override
    public Boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {
        //保存到es
        //1. 给es建立索引，product,建立好映射关系 使用kibana提前建立
        // 给es保存数据 BulkRequest bulkRequest, RequestOptions options
        //restHighLevelClient.index()单个保存
        //restHighLevelClient.bulk();批量保存
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel model : skuEsModels) {
            //1. 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(model.getSkuId().toString());
            //将对象转为字符串 放入indexRequest.source(o, XContentType.JSON);
            String o = JSON.toJSONString(model);
            indexRequest.source(o, XContentType.JSON);
            bulkRequest.add(indexRequest);
        }

        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, COMMON_OPTIONS);

        //TODO 如果批量戳我 需进行处理

        boolean b = bulk.hasFailures();//无错误返回false
        if (b){
            List<String> collect = Arrays.stream(bulk.getItems()).map(itm -> {
                return itm.getId();
            }).collect(Collectors.toList());
            log.error("商品上架错误。{}",collect);
        }
        return b;

    }
}
